
public class Demo09 {
    public static void main(String [] args) {
    	for(int i = 1;i<=1000;i++) {
    		int num = 0;
    		for(int j = 1;j<i;j++) {
    			if(i%j == 0) {
    				num += j;
    			}
    		}
    		if(i == num) {
    			System.out.println(i+"是完数");
    		}
    	}
    	
    }
}
